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Loan and Security Agreement with F & M Bank & Trust Company (Details) (USD $)
In Millions, unless otherwise specified
Aug. 28, 2012
Loan and Security Agreement with F & M Bank & Trust Company:  
Revolving credit facility provided $ 2fil_RevolvingCreditFacilityProvided
Revolving credit facility with letter of credit subfacility 0.50fil_RevolvingCreditFacilityWithLetterOfCreditSubfacility
Fully Funded Term loan facility 2fil_FullyFundedTermLoanFacility
Advancing term loan facility 6fil_AdvancingTermLoanFacility
Origination fee of the total credit 0.50%fil_OriginationFeeOfTheTotalCredit1
Unused commitment fee per annum is payable quarterly 0.50%fil_UnusedCommitmentFeePerAnnumIsPayableQuarterly1
F & M funded term loan payable 2fil_FAmpMFundedTermLoanPayable
Term loan payable in equal monthly installments 48fil_TermLoanPayableInEqualMonthlyInstallments
Accrued interest at a fixed rate 4.57%fil_AccruedInterestAtAFixedRate
F and M had agreed to make up in additional term loans $ 6fil_FAndMHadAgreedToMakeUpInAdditionalTermLoans